From: Maxime Ripard <maxime@cerno.tech>
To: Mike Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Phil Elwell <phil@raspberrypi.com>,
Tim Gover <tim.gover@raspberrypi.com>,
Dom Cobley <dom@raspberrypi.com>,
Maxime Ripard <maxime@cerno.tech>
Subject: [PATCH v3 10/10] drm/vc4: hdmi: Remove clock rate initialization
Date: Thu, 20 Jan 2022 15:34:17 +0100 [thread overview]
Message-ID: <20220120143417.543744-11-maxime@cerno.tech> (raw)
In-Reply-To: <20220120143417.543744-1-maxime@cerno.tech>
Now that the clock driver makes sure we never end up with a rate of 0,
the HDMI driver doesn't need to care anymore.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 053fbaf765ca..43aced269082 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2543,19 +2543,6 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
vc4_hdmi->disable_4kp60 = true;
}
- /*
- * If we boot without any cable connected to the HDMI connector,
- * the firmware will skip the HSM initialization and leave it
- * with a rate of 0, resulting in a bus lockup when we're
- * accessing the registers even if it's enabled.
- *
- * Let's put a sensible default at runtime_resume so that we
- * don't end up in this situation.
- */
- ret = clk_set_min_rate(vc4_hdmi->hsm_clock, HSM_MIN_CLOCK_FREQ);
- if (ret)
- goto err_put_ddc;
-
/*
* We need to have the device powered up at this point to call
* our reset hook and for the CEC init.
--
2.34.1
prev parent reply other threads:[~2022-01-20 14:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-20 14:34 [PATCH v3 00/10] clk: Improve clock range handling Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 01/10] clk: Add Kunit tests for rate Maxime Ripard
2022-01-20 21:31 ` Stephen Boyd
2022-01-20 21:56 ` Daniel Latypov
2022-01-21 4:34 ` Stephen Boyd
2022-01-21 5:25 ` Daniel Latypov
2022-01-22 1:51 ` Stephen Boyd
2022-01-20 14:34 ` [PATCH v3 02/10] clk: Always clamp the rounded rate Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 03/10] clk: Use clamp instead of open-coding our own Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 04/10] clk: Always set the rate on clk_set_range_rate Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 05/10] clk: Add clk_drop_range Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 06/10] clk: bcm: rpi: Add variant structure Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 07/10] clk: bcm: rpi: Set a default minimum rate Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 08/10] clk: bcm: rpi: Run some clocks at the minimum rate allowed Maxime Ripard
2022-01-20 14:34 ` [PATCH v3 09/10] drm/vc4: Add logging and comments Maxime Ripard
2022-01-20 14:34 ` Maxime Ripard [this message]
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